Ancestral Knowledge [Weatherlight] Battle for Zendikar Prerelease Promos −6: You get an emblem

−6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}

untap Mana Vault

It surveys the withering landscape

Set: Legends Type: World Enchantment Rarity: Rare Cost: {2}{G}{G} All lands are 1/1 creatures that are still lands

Ancestral Knowledge [Weatherlight] Battle for Zendikar Prerelease Promos −6: You get an emblemSet: Weatherlight Type: Enchantment Rarity: Rare Cost: {1}{U} Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When Ancestral Knowledge enters the battlefield, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order. When Ancestral Knowledge leaves the